Sleet-cutting trolley.



D. E. BARTON, DECD.

J. H. SPENGB, ADMINISTRATOR.

SLEET CUTTING TROLLEY. APPLICATION FILED 00T. 4, 1909.

Patented Sept. 10, y1912.

1ev v a device which can'be readily removed from cutters :may

ting shoe in posit-ionofuse,

vided with a anged af 'reversely Banged mit con-.l

UNITED STATES PATENT 10F-FICE? f i DELBERT BARTON,

or MILWAUKEE, wisconsin;l Jamas H. sPENcn ADMINIsraA'nR or san) pensent r.. BARTON, nscnasnn. i

snnn'rfen'r'rme TROLLEY.

Specileatien of Lett-ers Patent'- Patented Sept. 10j, 19155.

'application ined october 4, 1909.- serial nu 520,973.

To all whom it may eoncecmi' Be it known that 1,1) LBER'r EBARTON,

Improvements in Sleet-Gu'ttin Trolleys, of which the following isa speci cation.

My invention relates to improvements in sleetcutting Itrolleys.

The object o f my. invention is to provide and replaced"` on asupportingharp in substitution for a trolleyfw'heeh such removal,

and replacement being-possible without de- 15 laymg the car,- and the construction being such that a substitutioncan be made by even an 'inexperienced lconductor or motorman Without danger of improper adjustments.

` A furtherobject ofmyinvention is to pro. 20 ,vide a form of sleet cutter which may be readjusted from' time to time vto bring lnew cuttmg faces into operation whenever 4the cutters, then in` use, fail to 'operate effec- :tion of effectiveness 4after all of the cutting j tively. Also to provide means whereby the be removed bodily from the trol l ley and a new s'etof cutters substituted, thus y restoring sucha-trolley to its original condi- .In the. following description referenceis Y' had to the accompanying drawings in which,

Figure 1 1s` a sideview of a portion of a trolley pole showing ymy improved `sleet cutside rings partially l'broken away and show-y.

ing 'the cutters in cross section. Fig. 2 is a side. view of the main trolley shoe showing -tlie same from the side opposite that exhib- 40 ited in Fig.` Figxl isa front view of the view s.` :former application led September In a 16th,'j1909, SerialNumber 517,986, I' have shown and described ai harp member an trolle in which a trolley 'wheel having'al 'cup' s aped hubjs spindle lprojecting armed harp, the trolle ushing adapted to be engaged' by nectedwith' thev harp member and "which I' laterally from-a single- Wheel hubbeing pro-v with one ofthe cess 1.6.in the flange 19,

' of the slot walls are kep d .'15 is provided with inwardly extending ears ."25 which are secured to--the arms 7 by bolts .26 and nuts 23', thus sition. This ring 15 may 'be unscrewed torelease the trolley wheel from the harp.

In-'the drawlngs of this application I have l illustrated my, improved sleet cutter in such a structural orln that it may be substituted for the trolley wheelshown and described" 'in my former application;- In this applica-l have illustrated va harp tion, therefore,

eli`

member 1', .provided'with a laterall pro-A v jecting spindle 2, and having a threa ed annulus proved sleet cut-ter may be secured in posi.- tion on said spindle, the harp member, spindle and flanged nut being substantially theV l same 'as' shownand described in myI formerl application. v

. My improved sleet cutting shoe has the 3, adaptedto `receive a flanged nutl, whereby either a trolley wheel; or my :lm-v` est general form of a trolley wheel and is provided with a cup shaped hub6, having outwardly extending arms 7 supporting a rim bushing 94 extends into thehub 6 and is secured thereto by a bolt 10." The inner-end of this bushing, which projects toward the harp fromthe hub 6, isprOvded with a flange' 11, adaptedto'be engaged bythe re`- taining flanged nut 4, whereby the sleet cutting has one 'side margin tted'to an annular reand the other side Inargm of this ring is rovided with an .outwardly extending riml ange 18'. The langes l18' and' 19 have divergently 'curved outer margins, which are similar in form t9 the peripheral or rim flanges of `an ordinary trolley wheel. 'Between the `flanges 18 and '119, thering 15 is provided with an annular series1 of'ftransverse slots 22,1 whereby the ice or ysleet is permitted to pass freelvthrouglh the ring and to discharge from within t e ring at either side. These slots have their side #walls substantially inY radial lines whereby, as the ring '.isworn away,

t sharp. The ring holding. the ring 1n po-` 18thereof)' is provided'witha seriesl of lugs shoe is secured tothe harp. A ring 15' *j flange 19 vwhich corresponds `1u position to vone of the rim flanges of a trolley. wheel. A

the edges (or the flanged portion 28, projecting in the direction ofthe harp sulilcientl 4toen a e the harp at 29 and .prevent the hoe rotating in the same manner as a trolley Wheel. There 'are' a'sui- .cient number of these projections 28, however, so that by unscrewing the. flanged nut 4, the shoe 'may be partially rotated at any time to bring another portion of the ring 1 5 into Contact With the conducting wire.V

When the ring l has been 'Worn onfall sides so as to become unserviceable, the bolts 26 may berenioved and a newring substituted, the-'hub with the armsl 7. and hub bushing being l ordinarily retained, .since theseparts are substantiallyindestructible.

An auxiliary shoe 3C is preferably sup-V i ported in the rear vof the sleet cutter by an arm Siwhieh is pivotallysecured at32 to Athe harp and 1s held ina .raised position by a Aspring 34;, whereby the shoe 30 is' maintained n esible' conductor 3:3 is 'preferably employedy to electricallyl connect the-,shoe 3.0 with the irey 1n contact with the conducting wire 33. A

harp. @his shoe 3 6 Willbe found an'eiective auxiliary tothe sleet cutter, for in case i Athe contact 4or the sleet'cutter with the Wire the current to the harpand prevent arcing.A

should atany time be broken byinterposed sleet or by jolting, the shoe V willconvey As, shoe'travels back of the s leetcutter, the sleet will ordinarily have been-'removed feo I Wire at the same time. ,It-1s not materialto the present invent-ionwhether' the auxiliary shoe 30 ,is rotatable sleetcutting; shoe 11s applied to the'speclic from the Wire to such an extent that both the shoe 3G andthe sleet cuttershoe 4Will seldom, it ever, be out of Contact with the 'or not. Neither is .it material Whether the forniy of vharp shownjand'described or. not,

since it is obvious that .with slight modifica? tions a vshoe embodying my inv'ntion may be applied to any form, of harp.

, v Having thus described my invention,'what lolann as new and desire to secure by l. A sleet cutting trolley',xcornprising 'a supporting harp, ,a f hub removably secured i thereto, and provided with radially extending a1'm s, a rim flange connected with saidarms, aV ringhaving one margin removably secured to one face of said flange and having radially extending flange on its' other ymargin, said 4iangesand ringl being arranged to form a pulley shaped'androtatably adjustable shoe and 'projections on one of said 4tuinges adapted respectively toengage the harp and prevent the shoe rom"'rot ating when the latter vis-in different positions; of

adjustment, said ring having.' affgserlies of' 'transverse slots, the side Walls ofy'whioh are substantially in planes radial to the hub axi"s.-

2. A sleet cuttingl trolley, .comprising a harp,` a spindle thereon, a circular sleet cutting. shoe havinga peripheral provided ywith transverse slots, and having outwardly' extending Eanges at its respective side margins, a hub connected' with "one side'.of said shoe aiid adapted to be removably connected l'. vwith said spindle, and` means for holding `said shoe against rota ion in various positions of rotatable adjustment on said Spindle.

3. A sleet cutting trolley, comprising i1- harp, a spindle thereon, a' circular. sleetl cutting shoev having a peripheral ring 'provided extending flanges at its respective" side marshoe and adapted to be removabl' ,connected with said spindle, andlmeans' .or holdingv die, together with an auxiliary shoe, vand a harp and-adaptedto holdthe auxiliary shoein contact wit-ha conducting Wire in the rear of the sleet cutting shoe; l

I 4c. A' sleetcutting ltrolley shoe, comprising a -:':ircular device vhaving a rim portion con-y forming in general outline to that of 'a trolley i Wheel, and provided with slots in 'its bearing' surfaces extending in planes radial betweenthe hub and rim substantially open on both sides to theexterior; said shoe being adapted to ,be substituted for atrolley Wheel upon-a supporting spindle; and projections supporting member `fand ,j' hold" said shoe against rot-ation 'in various positions of rotatable'adjustment on the spindle.

' v 5.' Ina sleet cuttingr trolley shoe, the combination vof a hub, a circular flange supported interlocking engageme'ntr with! saidtlange between the hub and the outer mai-gm of the. flange-said ringl being provided with transsaid ring,the louter'margins of said circular Hannes belng curved laterally and dlver# gently in' the form .o f trolley Wheel rim' againsty rotation in .various 'j ustrnent.

' S. Ina sleet cutting' trolleyshoe, tle(,'con'1 positions of.' ad.-

girls, a hub connected with one'side of said' spring supported arm con-nected- With` said to the axis of said shoe, a hub, supporting w arms connectingthe hub with said ri-in'portion at one side'` and arranged wlth the space vrardly projecting flanges at its side marwith transverse slots, andhavnglltwardly @said shoe again'st'rotation in various positions of' rotatable adjustment 'on said splnon' saidi shoe adapted to engage a spindle therefrom, a 'ring having one'side margininv 'los verse slots,`-'and .an outwardly extending circular 'fiange onzthe other side margln of 1 lio langes. and means. for' holding said shoe' to receive the hub in various vpositions `of rotatable adjustment, and means lor holding the shoe vagainst; rotation on said spindle when in .use, said ring being Vformed n- -tegrally with one/of .the outwardly 'projectf ing'- flanges, andthe othei'v'of said .lan'ges' being 'formed integrally with said arms, together with a set of supporting ears Connect-- ed with the ring and detaehably` secured to said arms whereby said ring,-a1ms and i flanges are rigidly connect-ed.

8. In a s le et cutting trolley, a rotatably Y adjustable member lprovidedwith sleet outu ters each adapted to be dlsposed for Contact with a trolley Wire in one position of Ifo-f holding said vmember against rotation.y

`tatable adjustment, and means 'for normallyl In testimony whereof 'I affix my signatuie 

